CVE catalog

CVE-2021-38511

rust-tar: CVE-2021-38511

Severity: High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: Jan 1, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.39% · Oct 25, 2026

An issue was discovered in the tar crate before 0.4.36 for Rust. When symlinks are present in a TAR archive, extraction can create arbitrary directories via .. traversal.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	rust-tar	sid	`0.4.46-1`	fixed
Debian	rust-tar	forky	`0.4.46-1`	fixed
Debian	rust-tar	trixie	`0.4.43-4`	fixed
Debian	rust-tar	bookworm	`0.4.38-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	rust-tar	source	sid	`0.4.37-1`	not yet assigned	Not reported	[992173]
Debian	rust-tar	source	forky	`0.4.37-1`	not yet assigned	Not reported	[992173]
Debian	rust-tar	source	trixie	`0.4.37-1`	not yet assigned	Not reported	[992173]
Debian	rust-tar	source	bookworm	`0.4.37-1`	not yet assigned	Not reported	[992173]

[Debian bug #992173]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[librust-tar-dev]Fixed
Source package: [rust-tar]
Details (2)
- 0.4.38-1 · amd64 · bookworm
  Fixed · Fixed: 0.4.37-1
  dsa · rust-tar · debian · bookworm; dsa · rust-tar · debian · 12
- 0.4.38-1 · arm64 · bookworm
  Fixed · Fixed: 0.4.37-1
  dsa · rust-tar · debian · bookworm; dsa · rust-tar · debian · 12

[Debian 13 (Trixie)]

[librust-tar-dev]Fixed
Source package: [rust-tar]
Details (2)
- 0.4.43-4 · amd64 · trixie
  Fixed · Fixed: 0.4.37-1
  dsa · rust-tar · debian · 13
- 0.4.43-4 · arm64 · trixie
  Fixed · Fixed: 0.4.37-1
  dsa · rust-tar · debian · 13

Observed: Oct 23, 2026, 6:01:52 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]